61350939 has 24 divisors (see below), whose sum is σ = 98974512. Its totient is φ = 37752480.

The previous prime is 61350937. The next prime is 61350967. The reversal of 61350939 is 93905316.

61350939 is a `hidden beast` number, since 613 + 5 + 0 + 9 + 39 = 666.

It is not a de Polignac number, because 61350939 - 2¹ = 61350937 is a prime.

It is a super-3 number, since 3×61350939³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (61350931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6552 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (4123938).

Almost surely, 2^61350939 is an apocalyptic number.

61350939 is a deficient number, since it is larger than the sum of its proper divisors (37623573).

61350939 is a wasteful number, since it uses less digits than its factorization.

61350939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19449 (or 19437 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 61350939 is about 7832.6840227345. The cubic root of 61350939 is about 394.4031770944.

The spelling of 61350939 in words is "sixty-one million, three hundred fifty thousand, nine hundred thirty-nine".